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CVE-2022-1520

Published: 7 May 2022

When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.

Priority

Low

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package Release Status
thunderbird
Launchpad, Ubuntu, Debian
bionic
Released (1:91.9.1+build1-0ubuntu0.18.04.1)
focal
Released (1:91.9.1+build1-0ubuntu0.20.04.1)
impish
Released (1:91.9.1+build1-0ubuntu0.21.10.1)
jammy
Released (1:91.9.1+build1-0ubuntu0.22.04.1)
upstream
Released (91.9)
kinetic
Released (1:91.9.0+build3-0ubuntu1)
lunar
Released (1:91.9.0+build3-0ubuntu1)

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N